Used BYD Seal U for sale near Basildon
There are 10 used BYD Seal U for sale from UK dealers within 20 miles of Basildon on AskCar, as of 7 November 2026. Typical asking price £24,500 (the median: half cost less, half cost more). The cheapest is £22,300. AskCar lists 872 used BYD Seal U across the UK, from 161 dealerships.
The middle half of the 10 cars are priced between £24,000 and £25,500.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Basildon
5 of the 10 BYD Seal U within 20 miles of Basildon had their price reduced in the last 14 days to 7 November 2026. Each one's line in the list below says by how much.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 829 priced BYD Seal U adverts on AskCar as of 7 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, silver. Mileage: 5,300 miles. Price: £23,750, unchanged since AskCar first saw it on 5 November 2026, 2 days ago. Good value: £2,308 (8%) under the AskCar estimate of £26,058. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Saxtons.co.uk in Chelmsford, 11 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-53e5d767fc59
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 11,103 miles. Price: £23,500, unchanged since AskCar first saw it on 4 November 2026, 3 days ago. Fair price: £637 (2%) under the AskCar estimate of £24,137. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Saxtons.co.uk in Chelmsford, 11 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a95cabb39e43
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 22,335 miles. Price: £22,300, unchanged since AskCar first saw it on 4 November 2026, 3 days ago. Fair price: £428 (1%) under the AskCar estimate of £22,728. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lmc Cars in Upminster, 7 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-5331a446beaf
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 8,200 miles. Price: £24,995, reduced by £1,000 from £25,995 since AskCar first saw it on 16 September 2026, 52 days ago. Fair price: £290 (1%) under the AskCar estimate of £25,285. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Auto 2000 in Havering, 15 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-b636dae7b9e5
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 9,000 miles. Price: £24,595, reduced by £2,000 from £26,595 since AskCar first saw it on 30 July 2026, 100 days ago. Fair price: £89 (under 1%) under the AskCar estimate of £24,684. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 June 2027. Dealer: WJ King Vauxhall & BYD Gravesend in Gravesend, 10 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-489c761e59fe
- 2025 BYD Seal U 1.5 Comfort, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 9,417 miles. Price: £24,795, reduced by £700 from £25,495 since AskCar first saw it on 22 October 2026, 16 days ago. Fair price: £218 (under 1%) over the AskCar estimate of £24,577. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: W J King (Sidcup) in Sidcup, 19 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-95ca679e2ec8
- 2026 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, black. Mileage: 3,500 miles. Price: £28,495, reduced by £2,000 from £30,495 since AskCar first saw it on 6 September 2026, 62 days ago. Fair price: £1,138 (3%) under the AskCar estimate of £29,633. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: W J King (Sidcup) in Sidcup, 19 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-092d41230000
- 2026 BYD Seal U 1.5 Boost, 214 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, grey. Mileage: 10,851 miles. Price: £24,083, reduced by £1,842 from £25,925 since AskCar first saw it on 16 October 2026, 22 days ago. Fair price: £89 (under 1%) under the AskCar estimate of £24,172. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD East London in London, 17 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ad8397fdecfe
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 11,666 miles. Price: £25,363, raised by £12 from £25,351 since AskCar first saw it on 3 November 2026, 4 days ago. Fair price: £362 (1%) over the AskCar estimate of £25,001. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford, 11 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a2be8a725541
- 2025 BYD Seal U 1.5 Design, 319 bhp, automatic, plug-in hybrid (petrol), SUV, 5 doors, white. Mileage: 6,767 miles. Price: £26,974, reduced by £22 from £26,996 since AskCar first saw it on 30 October 2026, 8 days ago. Fair price: £867 (3%) over the AskCar estimate of £26,107. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford, 11 miles from Basildon. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a67ad4700641
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